$version = $dbfile->backend_data if !$version || $version < 1 || $version > $dbfile->backend_data;
my $iddir = sprintf("%04d", $dbfile->id % 1000);
my $path = File::Spec->catdir($::lx_office_conf{paths}->{document_path}, $::auth->client->{id}, $iddir, $dbfile->id);
$version = $dbfile->backend_data if !$version || $version < 1 || $version > $dbfile->backend_data;
my $iddir = sprintf("%04d", $dbfile->id % 1000);
my $path = File::Spec->catdir($::lx_office_conf{paths}->{document_path}, $::auth->client->{id}, $iddir, $dbfile->id);